doc: Update for the Building_FRR docs to include new requirements

* Added libc-ares
* Added python-dev

Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>

doc/Building_FRR_on_CentOS6.md

@@ -18,7 +18,7 @@ Add packages:
 
     sudo yum install git autoconf automake libtool make gawk readline-devel \
       texinfo net-snmp-devel groff pkgconfig json-c-devel pam-devel \
-      flex pytest
+      flex c-ares-devel epel-release
 
 Install newer version of bison (CentOS 6 package source is too old) from 
 CentOS 7
@@ -48,11 +48,11 @@ Install newer version of autoconf and automake (Package versions are too old)
 
 Install `Python 2.7` in parallel to default 2.6 (needed for `make check` to 
 run unittests). 
-Pick correct EPEL based on CentOS version used. Then install current `pytest`
+Make sure you've install EPEL (`epel-release` as above). Then install current 
+`python2.7` and `pytest`
 
-    rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
     rpm -ivh https://centos6.iuscommunity.org/ius-release.rpm
-    yum install python27 python27-pip
+    yum install python27 python27-devel python27-pip 
     pip2.7 install pytest
 
 Please note that `CentOS 6` needs to keep python pointing to version 2.6 
@@ -80,7 +80,6 @@ them if you are not building on a x86_64 architecture
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     ./configure \
         --sysconfdir=/etc/frr \

doc/Building_FRR_on_CentOS7.md

@@ -15,7 +15,11 @@ Add packages:
 
     sudo yum install git autoconf automake libtool make gawk readline-devel \
       texinfo net-snmp-devel groff pkgconfig json-c-devel pam-devel \
-      bison flex pytest
+      bison flex pytest c-ares-devel python-devel
+
+To build from git (in difference to building from distribution tar.gz as created by `make dist`), the python development libraries are needed. (Make sure you've installed EPEL libraries as shown above for this to work)
+
+    yum install python34-devel
 
 Get FRR, compile it and install it (from Git)
 ---------------------------------------------
@@ -39,7 +43,6 @@ them if you are not building on a x86_64 architecture
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     ./configure \
         --sysconfdir=/etc/frr \

doc/Building_FRR_on_Debian8.md

@@ -15,7 +15,7 @@ Add packages:
 
     sudo apt-get install git autoconf automake libtool make gawk \
        libreadline-dev texinfo libjson-c-dev pkg-config bison flex \
-       python-pip
+       python-pip libc-ares-dev python3-dev
 
 Install newer pytest (>3.0) from pip    
 
@@ -41,7 +41,6 @@ an example.)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     ./configure \
         --enable-exampledir=/usr/share/doc/frr/examples/ \

doc/Building_FRR_on_Fedora24.md

@@ -8,7 +8,8 @@ Add packages:
 
     sudo dnf install git autoconf automake libtool make gawk \
        readline-devel texinfo net-snmp-devel groff pkgconfig \
-       json-c-devel pam-devel perl-XML-LibXML pytest
+       json-c-devel pam-devel perl-XML-LibXML c-ares-devel \
+       python3-devel
 
 Get FRR, compile it and install it (from Git)
 ---------------------------------------------
@@ -32,7 +33,6 @@ them if you are not building on a x86_64 architecture
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     ./configure \
         --sysconfdir=/etc/frr \

doc/Building_FRR_on_FreeBSD10.md

@@ -16,7 +16,7 @@ Add packages:
 install and asked)  
 
     pkg install git autoconf automake libtool gmake gawk json-c pkgconf \
-        bison flex py27-pytest
+        bison flex py27-pytest c-ares python3
 
 Make sure there is no /usr/bin/flex preinstalled (and use the newly 
 installed in /usr/local/bin):
@@ -43,7 +43,6 @@ an example)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     export MAKE=gmake
     export LDFLAGS="-L/usr/local/lib"

doc/Building_FRR_on_FreeBSD11.md

@@ -16,7 +16,7 @@ Add packages:
 install and asked)  
 
     pkg install git autoconf automake libtool gmake gawk json-c pkgconf \
-        bison flex py27-pytest
+        bison flex py27-pytest c-ares python3
 
 Make sure there is no /usr/bin/flex preinstalled (and use the newly 
 installed in /usr/local/bin):
@@ -43,7 +43,6 @@ an example)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     export MAKE=gmake
     export LDFLAGS="-L/usr/local/lib"

doc/Building_FRR_on_FreeBSD9.md

@@ -16,7 +16,8 @@ Add packages:
 install and asked)  
 
     pkg install -y git autoconf automake libtool gmake gawk \
-        pkgconf texinfo json-c bison flex py27-pytest
+        pkgconf texinfo json-c bison flex py27-pytest c-ares \
+        python3
 
 Make sure there is no /usr/bin/flex preinstalled (and use the newly
 installed in /usr/local/bin):
@@ -25,6 +26,13 @@ takes preference in path)
 
     rm -f /usr/bin/flex
 
+For building with clang (instead of gcc), upgrade clang from 3.4 default to 3.6 *This is needed to build FreeBSD packages as well - for packages clang is default* (Clang 3.4 as shipped with FreeBSD 9 crashes during compile)
+
+    pkg install clang36
+    pkg delete clang34
+    mv /usr/bin/clang /usr/bin/clang34
+    ln -s /usr/local/bin/clang36 /usr/bin/clang
+
 Get FRR, compile it and install it (from Git)
 ---------------------------------------------
 
@@ -43,7 +51,6 @@ an example)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     export MAKE=gmake
     export LDFLAGS="-L/usr/local/lib"

doc/Building_FRR_on_NetBSD6.md

@@ -18,7 +18,7 @@ Configure Package location:
 Add packages:
 
     sudo pkg_add git autoconf automake libtool gmake gawk openssl \
-       pkg-config json-c p5-XML-LibXML python27 py27-test
+       pkg-config json-c p5-XML-LibXML python27 py27-test python35
 
 Install SSL Root Certificates (for git https access):
 
@@ -47,7 +47,6 @@ an example)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     MAKE=gmake
     export LDFLAGS="-L/usr/pkg/lib -R/usr/pkg/lib"

doc/Building_FRR_on_NetBSD7.md

@@ -12,7 +12,7 @@ Install required packages
 -------------------------
 
     sudo pkgin install git autoconf automake libtool gmake gawk openssl \
-       pkg-config json-c p5-XML-LibXML python27 py27-test
+       pkg-config json-c p5-XML-LibXML python27 py27-test python35
 
 Install SSL Root Certificates (for git https access):
 
@@ -41,7 +41,6 @@ an example)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     MAKE=gmake
     export LDFLAGS="-L/usr/pkg/lib -R/usr/pkg/lib"

doc/Building_FRR_on_OmniOS.md

@@ -41,7 +41,7 @@ Add additional Solaris packages:
     /opt/csw/bin/pkgutil -y -i texinfo
     /opt/csw/bin/pkgutil -y -i perl
     /opt/csw/bin/pkgutil -y -i libjson_c_dev
-    /opt/csw/bin/pkgutil -y -i python27 py_pip
+    /opt/csw/bin/pkgutil -y -i python27 py_pip python27_dev
 
 Add libjson to Solaris equivalent of ld.so.conf
 
@@ -89,11 +89,11 @@ an example)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     export MAKE=gmake
     export LDFLAGS="-L/opt/csw/lib"
     export CPPFLAGS="-I/opt/csw/include"
+    export PKG_CONFIG_PATH=/opt/csw/lib/pkgconfig
     ./configure \
         --sysconfdir=/etc/frr \
         --enable-exampledir=/usr/share/doc/frr/examples/ \

doc/Building_FRR_on_OpenBSD6.md

@@ -42,7 +42,6 @@ an example)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     export LDFLAGS="-L/usr/local/lib"
     export CPPFLAGS="-I/usr/local/include"

doc/Building_FRR_on_Ubuntu1204.md

@@ -12,8 +12,8 @@ Install required packages
 Add packages:
 
     apt-get install git autoconf automake libtool make gawk libreadline-dev \
-       texinfo libpam0g-dev dejagnu libjson0 pkg-config libpam0g-dev \
+       texinfo libpam0g-dev dejagnu libjson0-dev pkg-config libpam0g-dev \
-       libjson0-dev flex python-pip
+       libjson0-dev flex python-pip libc-ares-dev python3-dev
 
 Install newer bison from 14.04 package source (Ubuntu 12.04 package source
 is too old)
@@ -74,7 +74,6 @@ an example.)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     ./configure \
         --enable-exampledir=/usr/share/doc/frr/examples/ \

doc/Building_FRR_on_Ubuntu1404.md

@@ -13,7 +13,7 @@ Add packages:
 
     apt-get install git autoconf automake libtool make gawk libreadline-dev \
        texinfo dejagnu pkg-config libpam0g-dev libjson-c-dev bison flex \
-       python-pytest
+       python-pytest libc-ares-dev python3-dev
 
 Get FRR, compile it and install it (from Git)
 ---------------------------------------------
@@ -34,7 +34,6 @@ an example.)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     ./configure \
         --enable-exampledir=/usr/share/doc/frr/examples/ \

doc/Building_FRR_on_Ubuntu1604.md

@@ -14,7 +14,7 @@ Add packages:
 
     apt-get install git autoconf automake libtool make gawk libreadline-dev \
        texinfo dejagnu pkg-config libpam0g-dev libjson-c-dev bison flex \
-       python-pytest
+       python-pytest libc-ares-dev python3-dev
 
 Get FRR, compile it and install it (from Git)
 ---------------------------------------------
@@ -35,7 +35,6 @@ an example.)
 
     git clone https://github.com/freerangerouting/frr.git frr
     cd frr
-    git checkout stable/2.0
     ./bootstrap.sh
     ./configure \
         --enable-exampledir=/usr/share/doc/frr/examples/ \